/*****************************************************************************/
/*                                                                           */
/*                                 strutil.h                                 */
/*                                                                           */
/*                         String utility functions                          */
/*                                                                           */
/*                                                                           */
/*                                                                           */
/* (C) 2001-2003 Ullrich von Bassewitz                                       */
/*               Roemerstrasse 52                                            */
/*               D-70794 Filderstadt                                         */
/* EMail:        uz@cc65.org                                                 */
/*                                                                           */
/*                                                                           */
/* This software is provided 'as-is', without any expressed or implied       */
/* warranty.  In no event will the authors be held liable for any damages    */
/* arising from the use of this software.                                    */
/*                                                                           */
/* Permission is granted to anyone to use this software for any purpose,     */
/* including commercial applications, and to alter it and redistribute it    */
/* freely, subject to the following restrictions:                            */
/*                                                                           */
/* 1. The origin of this software must not be misrepresented; you must not   */
/*    claim that you wrote the original software. If you use this software   */
/*    in a product, an acknowledgment in the product documentation would be  */
/*    appreciated but is not required.                                       */
/* 2. Altered source versions must be plainly marked as such, and must not   */
/*    be misrepresented as being the original software.                      */
/* 3. This notice may not be removed or altered from any source              */
/*    distribution.                                                          */
/*                                                                           */
/*****************************************************************************/

#include <string.h>
#include <ctype.h>

/* common */
#include "strutil.h"

/*****************************************************************************/
/*                                   Code                                    */
/*****************************************************************************/

char *StrCopy(char *Dest, size_t DestSize, const char *Source)
/* Copy Source to Dest honouring the maximum size of the target buffer. In
** constrast to strncpy, the resulting string will always be NUL terminated.
** The function returns the pointer to the destintation buffer.
*/
{
  size_t Len = strlen(Source);
  if (Len >= DestSize) {
    memcpy(Dest, Source, DestSize - 1);
    Dest[DestSize - 1] = '\0';
  } else {
    memcpy(Dest, Source, Len + 1);
  }
  return Dest;
}

int StrCaseCmp(const char *S1, const char *S2)
/* Compare two strings ignoring case */
{
  int Diff;
  while ((Diff = toupper(*S1) - toupper(*S2)) == 0 && *S1) {
    ++S1;
    ++S2;
  }
  return Diff;
}
